动词
中文翻译：保证
同义词：
['ensure', 'assure', 'guarantee', 'warrant']
例句：
-
1.The company promises to deliver the goods on time.
公司承诺按时交货。
-
2. The teacher guaranteed that all students would pass the exam.
老师保证所有学生都能通过考试。
-
3. He guaranteed his honesty and integrity.
他保证自己的诚实和正直。